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How do I remove a single file from the staging area (undo git add)?
...
git reset filename.txt
If you have a modification in filename.txt , you added it to stage by mistake and you want to remove the file from staging but you don't want to lose the changes.
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How do I prevent site scraping? [closed]
... visit the link either because you disallowed /scrapertrap/ in your robots.txt.
You can make your scrapertrap.php do something like block access for the IP address that visited it or force a captcha for all subsequent requests from that IP.
Don't forget to disallow your honeypot (/scrapertrap/) i...
What is the difference between $(command) and `command` in shell programming?
...actical: it's easier to nest $() than ``:
listing=$(ls -l $(cat filenames.txt))
vs.
listing=`ls -l \`cat filenames.txt\``
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How to delete files/subfolders in a specific directory at the command prompt in Windows
...med as "Ripon" & "Wasim" and it contains a file named as "riponalwasim.txt". The subfolders Ripon and Wasim was deleted but riponalwasim.txt was not deleted.
– Ripon Al Wasim
Jul 19 '13 at 4:02
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How do I move files in node.js?
...ing nodejs natively
var fs = require('fs')
var oldPath = 'old/path/file.txt'
var newPath = 'new/path/file.txt'
fs.rename(oldPath, newPath, function (err) {
if (err) throw err
console.log('Successfully renamed - AKA moved!')
})
(NOTE: "This will not work if you are crossing partitions or us...
How to download a file from a URL in C#?
...Client = new WebClient();
webClient.DownloadFile("http://mysite.com/myfile.txt", @"c:\myfile.txt");
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Change multiple files
...lacements. Another example with filepaths sed -i 's|auth-user-pass nordvpn.txt|auth-user-pass /etc/openvpn/nordvpn.txt|g' *.ovpn.
– Léo Léopold Hertz 준영
Mar 5 '17 at 20:59
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How to redirect output to a file and stdout
...utputFile>
as shown in gnu bash manual
Example:
ls |& tee files.txt
If ‘|&’ is used, command1’s standard error, in addition to its standard output, is connected to command2’s standard input through the pipe; it is shorthand for 2>&1 |. This implicit redirection of ...
How do you use a variable in a regular expression?
...
This:
var txt=new RegExp(pattern,attributes);
is equivalent to this:
var txt=/pattern/attributes;
See http://www.w3schools.com/jsref/jsref_obj_regexp.asp.
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高并发服务端分布式系统设计概要 - C/C++ - 清泛网 - 专注C/C++及内核技术
...现在我们结合图来逐条解释上述工作，显然，这个系统的完整轮廓已经初现。
首先要明确，不管我们的系统如何“分布式”，总之会有至少一个最主要的节点，术语可称为primary node，如图所示，我们的系统中，这个节点叫Gl...